Let’s break that down. stands for Free Lossless Audio Codec. UPD likely refers to an "Update" —meaning you are looking for the most recent, verified, high-resolution source for this track. You don’t want a YouTube rip. You want the master quality.
When JVKE sings, "I don't need no light to see you shine," the backing harmonies stack in 4-part harmony. On FLAC, each voice is distinct. On MP3, it sounds like a single "chorus." jvke golden hour flac upd
Listen to the room tone. In the FLAC version, you can hear the sustain pedal on the piano lifting between chords. In MP3, that detail vanishes into noise shaping. Let’s break that down